Choral ConductingHarold A. Decker, Colleen J. Kirk · First published 1988 · Latest edition 1995Open the Tome
Choral conducting symposiumHarold A. Decker, H. Decker, G. Herford · First published 1987Open the Tome
A system for planning and achieving comprehensive health care in residential institutions for the mentally retardedHarold A. Decker · First published 1970Open the Tome
